Extraordinary article that you share in this opportunity, it is true that self-discipline will always be more important than motivation in any kind of business we want to do.
It is important what you express:

Many people dedicate the time they should to motivational activities, spend all day in bed listening to what will happen when they finally take action, but never get out of bed to make a meaningful impression.

This is true because we must have constant self-discipline if we are to succeed and because motivation is also expressed, we must not ignore it.